Home / 56,723.74-78,277.42-31,572.70

Finding the Fourth Proportional to 56,723.74, 78,277.42 and 31,572.70

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Solution

The fourth proportional to 56,723.74, 78,277.42 and 31,572.70 is: 43,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,723.74 : 78,277.42 = 31,572.70 : x
  2. Step 2: Convert to fraction form
    56,723.74/78,277.42 = 31,572.70/x
  3. Step 3: Cross multiply
    56,723.74x = 78,277.42 × 31,572.70
  4. Step 4: Simplify right side
    56,723.74x = 2,471,429,498.43
  5. Step 5: Solve for x
    x = 2,471,429,498.43/56,723.74
  6. Step 6: Final answer
    x = 43,569.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.